The Sewell 1x4 HDMI Splitter meets all HDMI v1.4 specifications including HDMI Ethernet Channel, Full 3D support, and 4Kx2K Resolution Support. Take any one HDMI source and split it between four outputs simultaneously, allowing users to view duplicates of a single HDMI source. This 1x4 HDMI Splitter provides a high quality digital reproduction with no distortion and is very easy to use. This splitter is loaded with the latest advanced technology capable of supporting all your equipment's latest features. The high quality parts used in this product allow its users to operate at a frequency of 225MHz. Without adding an additional HDMI cable, reverse the audio to the AV amplifier through the HDMI cable connection allowing your HDTV to receive audio and video content. This HDMI splitter is compatible with all HDMI sources and supports HDCP. New Functions The HDMI organization has recently upgraded HDMI to include several new and exiting functions. HDMI v1.3 cables are already being phased out by the superior HDMI v1.4 cables. The problem is that most HDMI devices (including splitters) do not support these new functions. This HDMI switch will allow you to enjoy all the new functions of HDMI v1.4. HDMI Ethernet Channel: Allows you to use HDMI devices that are IP enabled such as HDTVs and Blu-Ray players with Ethernet enabled features. This would allow you to use your Netflix instant viewing app on your new Ethernet enabled HDTV, for instance. 3D Support: This cable has added 3D support, supporting every brand and type of active and non-active 3D protocols. 4K support: This future proofs your HDMI cable; supporting resolutions that far surpass 1080p (4096x2160 p24 to be exact, 1080p is 1920x1080). Content Type Control: Your HDTV can now tell what is connected to it (for supported devices), allowing it to automatically adjust settings to best reproduce your video source's resolution, color setting, and more. Additional Color Spaces/Spectrum.